Pytheas of Massalia was the first-ever Mediterranean to reach and explore Great Britain and the Arctic Circle.He is believed to have traveled as far as Iceland, becoming the first person on record to describe the midnight sun and the first known scientific visitor to see and describe the Celtic and Germanic tribes.According to Henry Fanshawe Tozer, Pytheas' voyage to the north took place at about 330 BC, derived from three main sources. Sadly, his original writings, titled On The Ocean, did not survive, but he is quoted in the works of later geographers, such as Strabo's Geographica, Pliny's Natural History...